
Two's Complement
If you come to a fork in the road, take it! Two’s Complement is a programming podcast, hosted by Matt Godbolt and Ben Rady; two programmers who both grew up wanting to make video games. One of them did, one of them didn’t, but now they both work together despite coming from very different backgrounds.
Latest episodes

Apr 6, 2021 • 51min
Slow Builds and Fast Feedback
Ben and Matt talk about builds and build systems, mostly in C++. Matt talks about lots of different ways to speed up builds for C++, and is very helpful. Ben questions whether you want a build that never fails, which is moderately helpful.

7 snips
Mar 24, 2021 • 45min
Semi-Solid Principles
Matt and Ben join an argument on the Internet, which is always a productive and rewarding use of one's time. They discuss the SOLID principles from two different perspectives, and judge them. Listen in for the verdict. Then, Ben ponders how programmers learn, and whether sailors are happy. Matt gets a new puppy.

Mar 2, 2021 • 47min
Reverse Engineering the 6502
Ben and Matt stop talking about testing, and everyone is relieved. Matt describes the process for reverse engineering microchips by stripping off layers of silicon to look at the transistors with a microscope. With this forbidden knowledge, he explains how to defeat the copy protection on a childhood video game. Ben pretends like he understands.

Feb 4, 2021 • 48min
Special Guest: Clare Macrae
Ben and Matt trick another live human being into joining them on the podcast. Clare Macrae joins to talk about her work with approval testing, her experiences dealing with legacy Fortran and C++ code, and an upcoming Webinar she's doing on refactoring-to-testability using CLion.

Jan 26, 2021 • 0sec
Manual Testing and Observability
Matt and Ben discuss whether the city of Portland exists, and decide they don't care. Ben argues that you should test your code manually. Matt talks about when government regulators made him build an observable system, and how great it was. Really, it was great!

Jan 13, 2021 • 0sec
Special Guest: James Grenning
Our first guest! We speak with James Grenning about his work (re)building embedded systems using Test Driven Development. Then we ask James about his involvement with the creation of the Agile Manifesto in Feburary of 2001, and find out how 'Agile' has changed over the last 20 years.

Jan 7, 2021 • 0sec
Testing in C++
Matt and Ben talk about the eXtreme Programming engineering practices, such as Test Driven Development, and how to apply them in C++. Matt tests a widget and some grommets. Ben complains about slow build times.

Dec 24, 2020 • 0sec
Episode 0 - The Origin Story
Matt and Ben talk about how their careers were on the same path in the late 90's, but then diverged at a critical juncture. Then they talk about automated testing. Ben gets out his soapbox. Matt is a kind, patient soul.
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